CVE-2026-65517
Received Received - Intake

Unauthenticated XSS in Easy PayPal Buy Now Button

Publication date: 2026-08-06

Last updated on: 2026-08-06

Assigner: Patchstack

Description
Unauthenticated Cross Site Scripting (XSS) in Easy PayPal Buy Now Button <= 2.0.4 versions.

CVSS Scores

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Meta Information

Published
2026-08-06
Last Modified
2026-08-06
Generated
2026-08-06
AI Q&A
2026-08-06
EPSS Evaluated
N/A
NVD
CVE-2026-65517
EUVD
EUVD-2026-53968

Affected Vendors & Products

Showing 2 associated CPEs
Vendor Product Version / Range
easy_paypal buy_now_button to 2.0.4 (inc)
patchstack easy_paypal_buy_now_button to 2.0.5 (exc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-79 The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

Attack-Flow Graph

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Executive Summary

This is an Unauthenticated Cross Site Scripting (XSS) vulnerability in the Easy PayPal Buy Now Button WordPress plugin versions 2.0.4 and below. It allows attackers to inject malicious scripts into web pages viewed by users. Exploitation requires user interaction, such as clicking a malicious link.

Detection Guidance

Detecting this XSS vulnerability requires checking if your WordPress site uses the Easy PayPal Buy Now Button plugin version 2.0.4 or below. Inspect plugin versions via WordPress admin panel or check files in /wp-content/plugins/easy-paypal-buy-now-button/. Look for suspicious user input handling in plugin files.

Impact Analysis

Attackers could inject scripts to perform actions like redirects or display unwanted ads. Users visiting affected sites might have their sessions compromised or be exposed to malicious content. The vulnerability has a CVSS score of 7.1, indicating moderate risk.

Mitigation Strategies

Immediately update the Easy PayPal Buy Now Button plugin to version 2.0.5 or later. If updating is not possible, apply Patchstack's mitigation rule to block attacks until the update is applied. Remove or disable the plugin if unused.

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